括号负十六又3⼀4括回减括号负十又1⼀4括回减括号正一又1⼀2括回

2025-06-27 21:23:55
推荐回答(1个)
回答1:

(-16又3/4)-(-10又1/4)-(+1又1/2)
=-16又3/4+10又1/4-1又1/2
=-6又1/2-1又1/2
=-8